From 5d0ae90546d46a39bb42ea60e3f835ca68e6abdb Mon Sep 17 00:00:00 2001
From: Markus Mohrhard <markus.mohrhard@googlemail.com>
Date: Fri, 2 Nov 2012 00:07:06 +0100
Subject: implement top/bottom n percent

Change-Id: I463cd96831cd47b4e2ed878761e7196098a2e163
---
 sc/inc/conditio.hxx              |  7 ++++++
 sc/source/core/data/conditio.cxx | 50 ++++++++++++++++++++++++++++++++++++++--
 2 files changed, 55 insertions(+), 2 deletions(-)

diff --git a/sc/inc/conditio.hxx b/sc/inc/conditio.hxx
index ee2d9c9121f2..51b3dba67c87 100644
--- a/sc/inc/conditio.hxx
+++ b/sc/inc/conditio.hxx
@@ -72,6 +72,8 @@ enum ScConditionMode
     SC_COND_DIRECT,
     SC_COND_TOP10,
     SC_COND_BOTTOM10,
+    SC_COND_TOP_PERCENT,
+    SC_COND_BOTTOM_PERCENT,
     SC_COND_NONE
 };
 
@@ -253,6 +255,8 @@ private:
     bool IsDuplicate(double nArg, const rtl::OUString& rStr, const ScRangeList& rRanges) const;
     bool IsTopNElement( double nArg, const ScRangeList& rRanges ) const;
     bool IsTopNPercent( double nArg, const ScRangeList& rRanges ) const;
+    bool IsBottomNElement( double nArg, const ScRangeList& rRanges ) const;
+    bool IsBottomNPercent( double nArg, const ScRangeList& rRanges ) const;
 
     void FillCache(const ScRangeList& rRanges) const;
 
@@ -265,6 +269,9 @@ private:
 
         // cache them for easier access
         size_t nValueItems;
+
+        ScConditionEntryCache():
+            nValueItems(0) {}
     };
 
     mutable boost::scoped_ptr<ScConditionEntryCache> mpCache;
diff --git a/sc/source/core/data/conditio.cxx b/sc/source/core/data/conditio.cxx
index 13abd3ac5198..6e7724c47536 100644
--- a/sc/source/core/data/conditio.cxx
+++ b/sc/source/core/data/conditio.cxx
@@ -865,10 +865,10 @@ bool ScConditionEntry::IsTopNElement( double nArg, const ScRangeList& rRanges )
     for(ScConditionEntryCache::ValueCacheType::const_reverse_iterator itr = mpCache->maValues.rbegin(),
             itrEnd = mpCache->maValues.rend(); itr != itrEnd; ++itr)
     {
-        if(nCells >= nVal1)
-            return false;
         if(itr->first <= nArg)
             return true;
+        if(nCells >= nVal1)
+            return false;
         nCells += itr->second;
     }
 
@@ -886,10 +886,48 @@ bool ScConditionEntry::IsBottomNElement( double nArg, const ScRangeList& rRanges
     for(ScConditionEntryCache::ValueCacheType::const_iterator itr = mpCache->maValues.begin(),
             itrEnd = mpCache->maValues.end(); itr != itrEnd; ++itr)
     {
+        if(itr->first >= nArg)
+            return true;
         if(nCells >= nVal1)
             return false;
+        nCells += itr->second;
+    }
+
+    return true;
+}
+
+bool ScConditionEntry::IsTopNPercent( double nArg, const ScRangeList& rRanges ) const
+{
+    FillCache( rRanges );
+
+    size_t nCells = 0;
+    size_t nLimitCells = static_cast<size_t>(mpCache->nValueItems*nVal1/100);
+    for(ScConditionEntryCache::ValueCacheType::const_reverse_iterator itr = mpCache->maValues.rbegin(),
+            itrEnd = mpCache->maValues.rend(); itr != itrEnd; ++itr)
+    {
+        if(itr->first <= nArg)
+            return true;
+        if(nCells >= nLimitCells)
+            return false;
+        nCells += itr->second;
+    }
+
+    return true;
+}
+
+bool ScConditionEntry::IsBottomNPercent( double nArg, const ScRangeList& rRanges ) const
+{
+    FillCache( rRanges );
+
+    size_t nCells = 0;
+    size_t nLimitCells = static_cast<size_t>(mpCache->nValueItems*nVal1/100);
+    for(ScConditionEntryCache::ValueCacheType::const_iterator itr = mpCache->maValues.begin(),
+            itrEnd = mpCache->maValues.end(); itr != itrEnd; ++itr)
+    {
         if(itr->first >= nArg)
             return true;
+        if(nCells >= nLimitCells)
+            return false;
         nCells += itr->second;
     }
 
@@ -973,6 +1011,12 @@ bool ScConditionEntry::IsValid( double nArg ) const
         case SC_COND_BOTTOM10:
             bValid = IsBottomNElement( nArg, pCondFormat->GetRange() );
             break;
+        case SC_COND_TOP_PERCENT:
+            bValid = IsTopNPercent( nArg, pCondFormat->GetRange() );
+            break;
+        case SC_COND_BOTTOM_PERCENT:
+            bValid = IsBottomNPercent( nArg, pCondFormat->GetRange() );
+            break;
         default:
             OSL_FAIL("unbekannte Operation bei ScConditionEntry");
             break;
@@ -1029,6 +1073,8 @@ bool ScConditionEntry::IsValidStr( const String& rArg ) const
             bValid = (ScGlobal::GetCollator()->compareString(
                 rArg, aUpVal1 ) != COMPARE_EQUAL);
         break;
+        case SC_COND_TOP_PERCENT:
+        case SC_COND_BOTTOM_PERCENT:
         case SC_COND_TOP10:
         case SC_COND_BOTTOM10:
             return false;
-- 
cgit v1.2.3